Home / 118,850.06-164,013.32-65,137.07

Finding the Fourth Proportional to 118,850.06, 164,013.32 and 65,137.07

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Solution

The fourth proportional to 118,850.06, 164,013.32 and 65,137.07 is: 89,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,850.06 : 164,013.32 = 65,137.07 : x
  2. Step 2: Convert to fraction form
    118,850.06/164,013.32 = 65,137.07/x
  3. Step 3: Cross multiply
    118,850.06x = 164,013.32 × 65,137.07
  4. Step 4: Simplify right side
    118,850.06x = 10,683,346,780.09
  5. Step 5: Solve for x
    x = 10,683,346,780.09/118,850.06
  6. Step 6: Final answer
    x = 89,889.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.